Error when downloading the built-in dataset of pytoch = urllib.error.urlerror: urlopen error [SSL: certificate_verify_failed]

Error reason:

This is an SSL certificate validation error. When an HTTPS site is requested, but the certificate validation error occurs, such an error will be reported.


Just add the following two lines to the code to skip the certificate check and successfully access the web page.

# Global removal of certificate validation
import ssl
ssl._create_default_https_context = ssl._create_unverified_context

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